demonstrator

'demәnstreitә

英文释义

n. a teacher or teacher's assistant who demonstrates the principles that are being taught
n. someone who demonstrates an article to a prospective buyer
n. someone who participates in a public display of group feeling

中文翻译

n. 论证者, 证明者, 指示者, 示威者
[医] 示教者

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BNC 频率
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使用频率

记忆技巧

demonstrator 可以拆分为 demo-（示范）和 -strator（执行者），整体意思是“进行示范的人”。

例句

1. The demonstrator showed us how to use the new software.
演示者向我们展示了如何使用新软件。
2. Many demonstrators gathered in the park to voice their opinions.
很多示威者聚集在公园里表达他们的意见。
3. She worked as a demonstrator for the science exhibition.
她在科学展览中担任演示员。

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